Cambridge AssessmentSyllabus update:Cambridge International AS A Level Biology(9700)for examination in 2022,2023 and 2024We have updated this syllabus.The latest syllabus is version 2,published August 2020.What has changed?DetailChanges to syllabusChanges have been made to pages 21,29,32 and 35.contentSection 6 Syllabus contentLO 6.2.2:'correspond to'has been added and 'stop signals'has beenreplaced with'stop codons'.Section 12 Syllabus contentLO 12.1.1:'those occurring in'has been added in front of'DNA replication'.Section 13 Syllabus content.LO 13.1.10:'stroma from the'has been added to the first line in the thirdbullet point.LO 13.1.11:'in a reaction'in the second bullet point has been changed to'in reactions'.Section 15 Syllabus contentLO 15.1.10:the term 'transverse systems tubules'has been replaced with'the T-tubule system'.Changes to assessmentA change has been made to Paper 2,Mark scheme,Question 1(c).The(including changes toformula now reads:specimen papers)image lengthe.g.actual diametermagnificationA change has been made to Paper 4,Mark scheme,Question 10,markingpoint 8.The mark scheme now reads:8 or RNA polymerase can now bind to promoter.A change has been made to Paper 5,Mark scheme,Question 1(c)markingpoint 2.The mark scheme now reads:2 not supported,because some products will be dipeptides.A change has been made to Paper 5,Mark scheme,Question 2(d)(ii).Theterm 'size of the two samples is fewer than 30'has been removed.We have updated the specimen materials for this syllabus.Please check the updated syllabus and specimen papers for further information.The syllabus has been updated.You are strongly advised to read the whole syllabus before planning yourteaching programme.Learn more!For more details,visit www.cambridgeinternational.orgCopyright UCLES February 2022or contact Customer Services on +44(0)1223 553554